{
  config,
  lib,
  pkgs,
  ...
}:

{
  services.hypridle = {
    enable = true;
    settings = {
      general = {
        lock_cmd = "pidof hyprlock || hyprlock --immediate --immediate-render"; # avoid starting multiple hyprlock instances.
        before_sleep_cmd = "loginctl lock-session"; # lock before suspend.
        after_sleep_cmd = "hyprctl dispatch dpms on"; # to avoid having to press a key twice to turn on the display.
      };

      listener = [
        {
          timeout = 150; # 2.5min.
          on-timeout = "${pkgs.brightnessctl}/bin/brightnessctl -s set 1"; # set monitor backlight to minimum, avoid 0 on OLED monitor.
          on-resume = "${pkgs.brightnessctl}/bin/brightnessctl -r"; # monitor backlight restore.
        }
        # turn off keyboard backlight, comment out this section if you dont have a keyboard backlight.
        {
          timeout = 150; # 2.5min.
          on-timeout = "${pkgs.brightnessctl}/bin/brightnessctl -sd rgb:kbd_backlight set 0"; # turn off keyboard backlight.
          on-resume = "${pkgs.brightnessctl}/bin/brightnessctl -rd rgb:kbd_backlight"; # turn on keyboard backlight.
        }
        {
          timeout = 300; # 5min
          on-timeout = "loginctl lock-session"; # lock screen when timeout has passed

        }
        {
          timeout = 330; # 5.5min
          on-timeout = "hyprctl dispatch dpms off"; # screen off when timeout has passed
          on-resume = "hyprctl dispatch dpms on"; # screen on when activity is detected after timeout has fired.
        }
        {
          timeout = 1800; # 30min
          on-timeout = "systemctl suspend"; # suspend pc
        }
      ];
    };
  };
}